Central processing unit is engine that determines how fast your PC will go, CPU will keep your computer nice and cool and It'll help help you system last longer.
All the parts of computer motherboard is the most important, the motherboard will accommodate the CPU, motherboard has variety of electric devices and combine all the system
The Optical Drive
An optical drive is what you'll use for read CD's,DVD's and even BLu-Ray dics
The Graphics Card
The graphics card or GPU is designed to handle graphics, it draws your desktop and your windows on the screen
It holds all of your computers parts together
Next in the parts of the computer is RAM, it provides the computer part to get up and go